13085790 has 32 divisors (see below), whose sum is σ = 32257440. Its totient is φ = 3394944.

The previous prime is 13085741. The next prime is 13085791. The reversal of 13085790 is 9758031.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13085791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4785 + ... + 7004.

It is an arithmetic number, because the mean of its divisors is an integer number (1008045).

Almost surely, 2^13085790 is an apocalyptic number.

13085790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13085790 is an abundant number, since it is smaller than the sum of its proper divisors (19171650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13085790 is a wasteful number, since it uses less digits than its factorization.

13085790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11836.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 13085790 is about 3617.4286447697. The cubic root of 13085790 is about 235.6495684851.

The spelling of 13085790 in words is "thirteen million, eighty-five thousand, seven hundred ninety".